Abstract:
exhaust air jack is an automobile gadget to lift vehicle by using exhaust gas from exahaust pipe when vehicle running in idle. If you've ever had a chance to change a tire in the middle of a journey , you might think about a exhaust air jack. this Exhaust Air Jack(balloon and tubes) is made of durable PVC-coated woven polyester fabric, Double layered on bottom and top to prevent punctures .the operation of the exhaust air jack is very simple. What we have to do is stick the balloon under the frame of the car and Simply plug the hose into exhaust pipe of car, and let the exhaust lift the car up so we can change the tire. And this Exhaust Air Jack is strong enough to lift a three-ton vehicle 18 inches for up to 45 minutes, which will give you enough time to change tire




reference:
http://electronics.howstuffworksgadgets/...-jacks.htm

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